{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3304143","name":"Mahoning Valley No 36","status":"Abandoned","status_date":"2011-07-05","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"OH","county":"Harrison","nearest_town":"Cadiz","operator_id":"P00812","operator_name":"Consolidation Coal Company","controller_id":"C13408","controller_name":"Robert E  Murray","district":"C03","office":"St. Clairsville OH Field Office","employees":0,"latitude":40.243452,"longitude":-81.00409},"coverage":{"contributingSources":14,"registeredSources":20,"sourceRows":675},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"3304143","name":"Mahoning Valley No 36"},"operator":{"type":"operator","id":"P00812","name":"Consolidation Coal Company"},"controller":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"mine","id":"3304143","name":"Mahoning Valley No 36"},"validFrom":"1950-01-01","validTo":"2013-12-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304143|C00692|1950-01-01|2013-12-04"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00812","name":"Consolidation Coal Company"},"object":{"type":"mine","id":"3304143","name":"Mahoning Valley No 36"},"validFrom":"1988-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304143|P00812|1988-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"operator","id":"P00812","name":"Consolidation Coal Company"},"validFrom":"1988-09-01","validTo":"2013-12-04","current":false,"derived":true,"evidenceMineId":"3304143","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304143|P00812|1988-09-01|C00692|1950-01-01|49089"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"mine","id":"3304143","name":"Mahoning Valley No 36"},"validFrom":"2013-12-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304143|C13408|2013-12-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"operator","id":"P00812","name":"Consolidation Coal Company"},"validFrom":"2013-12-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304143","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304143|P00812|1988-09-01|C13408|2013-12-05|89658"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":5,"firstDate":"2005-07-26","lastDate":"2007-05-29","metrics":{"daysLost":64,"injuries":5,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":2},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"122661","DOCUMENT_NO":"220071550068","ACCIDENT_DT":"05/29/2007","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","DAYS_LOST":"24","NARRATIVE":"Cutting on steel, the steel fell on his right foot (side) and broke foot.","sourceDate":"2007-05-29"},{"SOURCE_ROW_NUMBER":"264862","DOCUMENT_NO":"220061980082","ACCIDENT_DT":"07/12/2006","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from scaffolds, walkways, platforms","OCCUPATION":"Belt foreman, Maintenance foreman, Maintenance supervisor","NO_INJURIES":"1","DAYS_LOST":"32","NARRATIVE":"Replacing hoist jack on 480 Michigan loader. EE positioned himself on platform on front differencial housing w/pry bar to align eye on jack to be pinned. Bar slipped out of eye, causing EE to lose balance and fall from platform to ground, approx 5' landing on his left foot.","sourceDate":"2006-07-12"},{"SOURCE_ROW_NUMBER":"178800","DOCUMENT_NO":"220060260029","ACCIDENT_DT":"01/24/2006","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from machine","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was getting ready to mount the mechanics service truck he slipped off a small wooden block and fell to the ground he caught himself with his right hand and broke his right wrist.","sourceDate":"2006-01-24"},{"SOURCE_ROW_NUMBER":"213233","DOCUMENT_NO":"220060100033","ACCIDENT_DT":"10/12/2005","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"STRIKING OR BUMPING","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"8","NARRATIVE":"Laborer was loading his truck. He was climbing down the ladder from the bin he was loading from and hit his elbow on the cage around the ladder. The employee did not report the incident or see a doctor until 12/19/05. The office was not aware that this injury occurred at a mine until 1/6/05.","sourceDate":"2005-10-12"},{"SOURCE_ROW_NUMBER":"148716","DOCUMENT_NO":"220052160038","ACCIDENT_DT":"07/26/2005","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was repairing crawler on shovel. When he was aligning the thrust washer, it slipped off of dowel catching his finger.","sourceDate":"2005-07-26"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2011-07-05","lastDate":"2011-07-05","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":13,"firstDate":"2000-02-15","lastDate":"2006-02-21","metrics":{"ss":1,"delinquent":13,"recentRows":0,"paidPenalty":914,"proposedPenalty":914,"currentAssessment":914},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"726512","VIOLATION_NO":"7125745","ISSUE_DT":"02/21/2006","CFR_STANDARD_CD":"50.20","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-02-21"},{"SOURCE_ROW_NUMBER":"725115","VIOLATION_NO":"7123476","ISSUE_DT":"09/12/2005","CFR_STANDARD_CD":"77.1606(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-09-12"},{"SOURCE_ROW_NUMBER":"723806","VIOLATION_NO":"7120979","ISSUE_DT":"03/08/2005","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-03-08"},{"SOURCE_ROW_NUMBER":"723696","VIOLATION_NO":"7123022","ISSUE_DT":"08/23/2004","CFR_STANDARD_CD":"77.1606(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"723695","VIOLATION_NO":"7123021","ISSUE_DT":"08/23/2004","CFR_STANDARD_CD":"77.509(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"723694","VIOLATION_NO":"7123020","ISSUE_DT":"08/23/2004","CFR_STANDARD_CD":"77.1606(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"738091","VIOLATION_NO":"4869564","ISSUE_DT":"03/20/2002","CFR_STANDARD_CD":"77.1109(c)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-03-20"},{"SOURCE_ROW_NUMBER":"738090","VIOLATION_NO":"4869563","ISSUE_DT":"03/18/2002","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-03-18"},{"SOURCE_ROW_NUMBER":"738089","VIOLATION_NO":"4869562","ISSUE_DT":"03/18/2002","CFR_STANDARD_CD":"77.1605(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-03-18"},{"SOURCE_ROW_NUMBER":"737779","VIOLATION_NO":"7132804","ISSUE_DT":"08/20/2001","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-08-20"},{"SOURCE_ROW_NUMBER":"735552","VIOLATION_NO":"7131752","ISSUE_DT":"03/27/2001","CFR_STANDARD_CD":"77.400(c)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"224.00","CURRENT_ASSESSMENT_AMT":"224.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-03-27"},{"SOURCE_ROW_NUMBER":"735551","VIOLATION_NO":"7131751","ISSUE_DT":"03/27/2001","CFR_STANDARD_CD":"77.701","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-03-27"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":36,"firstDate":"2000-01-21","lastDate":"2006-09-25","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":0,"validSamples":36,"maxConcentration":2.561,"concentrationTotal":17.017},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1370686","CASS_NUM":"57643754","SMP_TAKEN_DT":"9/25/2006","CONC":".003","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2006-09-25"},{"SOURCE_ROW_NUMBER":"199847","CASS_NUM":"57643787","SMP_TAKEN_DT":"9/25/2006","CONC":".039","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2006-09-25"},{"SOURCE_ROW_NUMBER":"934046","CASS_NUM":"57616662","SMP_TAKEN_DT":"3/27/2006","CONC":".155","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2006-03-27"},{"SOURCE_ROW_NUMBER":"825612","CASS_NUM":"57616897","SMP_TAKEN_DT":"3/27/2006","CONC":".106","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2006-03-27"},{"SOURCE_ROW_NUMBER":"776397","CASS_NUM":"57616901","SMP_TAKEN_DT":"3/27/2006","CONC":".234","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2006-03-27"},{"SOURCE_ROW_NUMBER":"1280706","CASS_NUM":"57527454","SMP_TAKEN_DT":"9/7/2005","CONC":".442","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-07"},{"SOURCE_ROW_NUMBER":"557742","CASS_NUM":"57527455","SMP_TAKEN_DT":"9/7/2005","CONC":".181","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-07"},{"SOURCE_ROW_NUMBER":"309232","CASS_NUM":"57527453","SMP_TAKEN_DT":"9/7/2005","CONC":".038","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-07"},{"SOURCE_ROW_NUMBER":"94746","CASS_NUM":"57527671","SMP_TAKEN_DT":"9/7/2005","CONC":".046","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2005-09-07"},{"SOURCE_ROW_NUMBER":"477936","CASS_NUM":"57518321","SMP_TAKEN_DT":"8/25/2004","CONC":".18","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"784097","CASS_NUM":"57518359","SMP_TAKEN_DT":"8/24/2004","CONC":".126","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-08-24"},{"SOURCE_ROW_NUMBER":"52602","CASS_NUM":"57518348","SMP_TAKEN_DT":"8/24/2004","CONC":".075","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-08-24"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":1,"firstDate":"2006-03-17","lastDate":"2006-03-17","metrics":{"linkedIssuances":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":354,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":2,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":71,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":2,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"1988-09-01","lastDate":"1988-09-01","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":32,"firstDate":"2000-02-10","lastDate":"2007-11-05","metrics":{"inspectors":33,"recentRows":0,"onSiteHours":428.75,"inspectionHours":595.5,"inspectionSamples":6},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1115426","EVENT_NO":"4065879","INSPECTION_BEGIN_DT":"11/05/2007","INSPECTION_END_DT":"11/05/2007","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2007-11-05"},{"SOURCE_ROW_NUMBER":"1087484","EVENT_NO":"4065778","INSPECTION_BEGIN_DT":"05/16/2007","INSPECTION_END_DT":"06/26/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2007-05-16"},{"SOURCE_ROW_NUMBER":"163657","EVENT_NO":"4064992","INSPECTION_BEGIN_DT":"03/06/2007","INSPECTION_END_DT":"03/06/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2007-03-06"},{"SOURCE_ROW_NUMBER":"396125","EVENT_NO":"4065292","INSPECTION_BEGIN_DT":"10/16/2006","INSPECTION_END_DT":"10/16/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2006-10-16"},{"SOURCE_ROW_NUMBER":"1136110","EVENT_NO":"4065285","INSPECTION_BEGIN_DT":"09/18/2006","INSPECTION_END_DT":"09/27/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"25.5","SUM_TOTAL_ON_SITE_HOURS":"16","sourceDate":"2006-09-18"},{"SOURCE_ROW_NUMBER":"575633","EVENT_NO":"4065123","INSPECTION_BEGIN_DT":"04/05/2006","INSPECTION_END_DT":"04/05/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2006-04-05"},{"SOURCE_ROW_NUMBER":"285622","EVENT_NO":"4064952","INSPECTION_BEGIN_DT":"02/06/2006","INSPECTION_END_DT":"03/28/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"36","SUM_TOTAL_ON_SITE_HOURS":"21","sourceDate":"2006-02-06"},{"SOURCE_ROW_NUMBER":"733781","EVENT_NO":"4064949","INSPECTION_BEGIN_DT":"01/30/2006","INSPECTION_END_DT":"01/30/2006","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2006-01-30"},{"SOURCE_ROW_NUMBER":"130678","EVENT_NO":"4064945","INSPECTION_BEGIN_DT":"01/04/2006","INSPECTION_END_DT":"01/04/2006","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2006-01-04"},{"SOURCE_ROW_NUMBER":"777758","EVENT_NO":"4064763","INSPECTION_BEGIN_DT":"10/11/2005","INSPECTION_END_DT":"10/11/2005","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2005-10-11"},{"SOURCE_ROW_NUMBER":"722097","EVENT_NO":"4064537","INSPECTION_BEGIN_DT":"09/06/2005","INSPECTION_END_DT":"09/19/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"52.5","SUM_TOTAL_ON_SITE_HOURS":"39.5","sourceDate":"2005-09-06"},{"SOURCE_ROW_NUMBER":"728335","EVENT_NO":"4064216","INSPECTION_BEGIN_DT":"03/02/2005","INSPECTION_END_DT":"03/22/2005","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"45","SUM_TOTAL_ON_SITE_HOURS":"35","sourceDate":"2005-03-02"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":121,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q3":{"hours":0,"employees":0,"production":0},"2011-Q2":{"hours":0,"employees":0,"production":0},"2011-Q1":{"hours":0,"employees":0,"production":0},"2010-Q4":{"hours":0,"employees":0,"production":0},"2010-Q3":{"hours":0,"employees":0,"production":0},"2010-Q2":{"hours":0,"employees":0,"production":0},"2010-Q1":{"hours":0,"employees":0,"production":0},"2009-Q4":{"hours":0,"employees":0,"production":0},"2009-Q3":{"hours":0,"employees":0,"production":0},"2009-Q2":{"hours":0,"employees":0,"production":0},"2009-Q1":{"hours":0,"employees":0,"production":0},"2008-Q4":{"hours":0,"employees":0,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":13,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":86494,"employees":38,"production":364820},"2001":{"hours":107340,"employees":52,"production":473480},"2002":{"hours":86484,"employees":47,"production":258082},"2003":{"hours":160074,"employees":69,"production":741309},"2004":{"hours":170982,"employees":81,"production":740794},"2005":{"hours":152850,"employees":67,"production":661267},"2006":{"hours":45348,"employees":20,"production":122959},"2007":{"hours":6056,"employees":4,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-noise-samples","name":"Noise Samples","domains":["health","safety","equipment"],"products":["hearing exposure","machine and manufacturer patterns","occupation coverage"],"rowCount":12,"firstDate":"2000-03-28","lastDate":"2006-09-18","metrics":{"recentRows":0,"doseOver100":1,"actDoseTotal":523,"pelDoseTotal":370},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"130134","EVENT_NO":"4065285","SURVEY_DATE":"09/18/2006","OCCUPATION_CD_DESC":"SAFETY REPRESENTATIVE","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"41","PEL_DOSE_90":"35","SURVEY_TYPE":"I","sourceDate":"2006-09-18"},{"SOURCE_ROW_NUMBER":"130133","EVENT_NO":"4065285","SURVEY_DATE":"09/18/2006","OCCUPATION_CD_DESC":"UNION REPRESENTATIVE","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"29","PEL_DOSE_90":"21","SURVEY_TYPE":"I","sourceDate":"2006-09-18"},{"SOURCE_ROW_NUMBER":"130132","EVENT_NO":"4064144","SURVEY_DATE":"08/25/2004","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"075","ACT_DOSE_85":"130","PEL_DOSE_90":"110","SURVEY_TYPE":"I","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"130131","EVENT_NO":"4064143","SURVEY_DATE":"08/24/2004","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"026","ACT_DOSE_85":"49","PEL_DOSE_90":"23","SURVEY_TYPE":"I","sourceDate":"2004-08-24"},{"SOURCE_ROW_NUMBER":"130130","EVENT_NO":"4064143","SURVEY_DATE":"08/24/2004","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"21","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2004-08-24"},{"SOURCE_ROW_NUMBER":"130129","EVENT_NO":"4064142","SURVEY_DATE":"08/23/2004","OCCUPATION_CD_DESC":"MINE FOREMAN/MINE MANAGER","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"9","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"130128","EVENT_NO":"4064142","SURVEY_DATE":"08/23/2004","OCCUPATION_CD_DESC":"UNION REPRESENTATIVE","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"7","PEL_DOSE_90":"4","SURVEY_TYPE":"I","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"130127","EVENT_NO":"4064142","SURVEY_DATE":"08/23/2004","OCCUPATION_CD_DESC":"WEIGHMAN","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"4","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"130137","EVENT_NO":"4069325","SURVEY_DATE":"09/09/2003","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"022","ACT_DOSE_85":"21","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2003-09-09"},{"SOURCE_ROW_NUMBER":"130136","EVENT_NO":"4069325","SURVEY_DATE":"09/09/2003","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"98","PEL_DOSE_90":"86","SURVEY_TYPE":"I","sourceDate":"2003-09-09"},{"SOURCE_ROW_NUMBER":"130135","EVENT_NO":"4069325","SURVEY_DATE":"09/09/2003","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"075","ACT_DOSE_85":"75","PEL_DOSE_90":"40","SURVEY_TYPE":"I","sourceDate":"2003-09-09"},{"SOURCE_ROW_NUMBER":"130138","EVENT_NO":"4070808","SURVEY_DATE":"03/28/2000","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"022","ACT_DOSE_85":"39","PEL_DOSE_90":"22","SURVEY_TYPE":"I","sourceDate":"2000-03-28"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":13,"firstDate":"2000-02-15","lastDate":"2006-02-21","metrics":{"ss":1,"amountDue":914,"contested":0,"amountPaid":914,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":914},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1755650","VIOLATION_NO":"7125745","VIOLATION_ISSUE_DT":"02/21/2006","SIG_SUB":"N","PART_SECTION":"50.20","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"02/21/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2006-02-21"},{"SOURCE_ROW_NUMBER":"1755662","VIOLATION_NO":"7123476","VIOLATION_ISSUE_DT":"09/12/2005","SIG_SUB":"N","PART_SECTION":"77.1606(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/19/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-09-12"},{"SOURCE_ROW_NUMBER":"1755652","VIOLATION_NO":"7120979","VIOLATION_ISSUE_DT":"03/08/2005","SIG_SUB":"N","PART_SECTION":"77.1104","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/09/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-03-08"},{"SOURCE_ROW_NUMBER":"1755661","VIOLATION_NO":"7123022","VIOLATION_ISSUE_DT":"08/23/2004","SIG_SUB":"N","PART_SECTION":"77.1606(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/24/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"1755660","VIOLATION_NO":"7123021","VIOLATION_ISSUE_DT":"08/23/2004","SIG_SUB":"N","PART_SECTION":"77.509(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/23/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"1755659","VIOLATION_NO":"7123020","VIOLATION_ISSUE_DT":"08/23/2004","SIG_SUB":"N","PART_SECTION":"77.1606(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/23/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-08-23"},{"SOURCE_ROW_NUMBER":"1755655","VIOLATION_NO":"4869564","VIOLATION_ISSUE_DT":"03/20/2002","SIG_SUB":"N","PART_SECTION":"77.1109(c)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/20/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-03-20"},{"SOURCE_ROW_NUMBER":"1755654","VIOLATION_NO":"4869563","VIOLATION_ISSUE_DT":"03/18/2002","SIG_SUB":"N","PART_SECTION":"77.1104","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/19/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-03-18"},{"SOURCE_ROW_NUMBER":"1755653","VIOLATION_NO":"4869562","VIOLATION_ISSUE_DT":"03/18/2002","SIG_SUB":"N","PART_SECTION":"77.1605(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/21/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-03-18"},{"SOURCE_ROW_NUMBER":"1755658","VIOLATION_NO":"7132804","VIOLATION_ISSUE_DT":"08/20/2001","SIG_SUB":"N","PART_SECTION":"77.1104","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"2","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/21/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-08-20"},{"SOURCE_ROW_NUMBER":"1755657","VIOLATION_NO":"7131752","VIOLATION_ISSUE_DT":"03/27/2001","SIG_SUB":"Y","PART_SECTION":"77.400(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/28/2001","PROPOSED_PENALTY":"224","AMOUNT_DUE":"224","AMOUNT_PAID":"224","CONTESTED_IND":"N","sourceDate":"2001-03-27"},{"SOURCE_ROW_NUMBER":"1755656","VIOLATION_NO":"7131751","VIOLATION_ISSUE_DT":"03/27/2001","SIG_SUB":"N","PART_SECTION":"77.701","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/27/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-03-27"}]}],"safety":{"href":"/api/v1/mines/3304143/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3304143/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","heading":"Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20","part":"50","subchapter":"I","subpart":"C","id":"50.20","citation":"30 CFR 50.20","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1606","heading":"Loading and haulage equipment; inspection and maintenance.","id":"77.1606","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Mobile loading and haulage equipment shall be inspected by a competent person before such equipment is placed in operation. Equipment defects affecting safety shall be recorded and reported to the mine operator.\n\n(b) Carriers on aerial tramways, including loading and unloading mechanisms, shall be inspected each shift; brakes shall be inspected daily; ropes and supports shall be inspected as recommended by the manufacturer or as physical conditions warrant. Equipment defects affecting safety shall be reported to the mine operator.\n\n(c) Equipment defects affecting safety shall be corrected before the equipment is used.","occurrenceCount":3},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1104","heading":"Accumulations of combustible materials.","id":"77.1104","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Combustible materials, grease, lubricants, paints, or flammable liquids shall not be allowed to accumulate where they can create a fire hazard.","occurrenceCount":3},{"chapter":"I","heading":"Transformers; installation and guarding.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.509","part":"77","subchapter":"O","subpart":"F","id":"77.509","citation":"30 CFR 77.509","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1109","heading":"Quantity and location of firefighting equipment.","id":"77.1109","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Preparation plants, dryer plants, tipples, drawoff tunnels, shops, and other surface installations shall be equipped with the following firefighting equipment.\n\n(a) Each structure presenting a fire hazard shall be provided with portable fire extinguishers commensurate with the potential fire hazard at the structure in accordance with the recommendations of the National Fire Protection Association.\n\n(b) Preparation plants shall be equipped with waterlines, with outlet valves on each floor, and with sufficient fire hose to project a water stream to any point in the plant. However, where freezing conditions exist or water is not available, a 125-pound multipurpose dry powder extinguisher may be substituted for the purposes of this paragraph (b) for each 2,500 square feet of floor space in a wooden or other flammable structure, or for each 5,000 square feet of floor space in a metal, concrete-block, or other type of non-flammable construction.\n\n(c)(1) Mobile equipment, including trucks, front-end loaders, bulldozers, portable welding units, and augers, shall be equipped with at least one portable fire extinguisher.\n\n(2) Power shovels, draglines, and other large equipment shall be equipped with at least one portable fire extinguisher; however, additional fire extinguishers may be required by an authorized representative of the Secretary.\n\n(3) Auxiliary equipment such as portable drills, sweepers, and scrapers, when operated more than 600 feet from equipment required to have portable fire extinguishers, shall be equipped with at least one fire extinguisher.\n\n(d) Fire extinguishers shall be provided at permanent electrical installations commensurate with the potential fire hazard at such installation in accordance with the recommendations of the National Fire Protection Association.\n\n(e) Two portable fire extinguishers, or the equivalent, shall be provided at each of the following combustible liquid storage installations:\n\n(1) Near each above ground or unburied combustible liquid storage station; and,\n\n(2) Near the transfer pump of each buried combustible liquid storage tank.\n\n(f) Vehicles transporting explosives and blasting agents shall be equipped with fire protection as recommended in Code 495, section 20, National Fire Protection Association Handbook, 12th Edition, 1962.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1605","heading":"Loading and haulage equipment; installations.","id":"77.1605","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Cab windows shall be of safety glass or equivalent, in good condition and shall be kept clean.\n\n(b) Mobile equipment shall be equipped with adequate brakes, and all trucks and front-end loaders shall also be equipped with parking brakes.\n\n(c) Positive-action type brakes shall be provided on aerial tramways.\n\n(d) Mobile equipment shall be provided with audible warning devices. Lights shall be provided on both ends when required.\n\n(e) Guard nets or other suitable protection shall be provided where tramways pass over roadways, walkways, or buildings.\n\n(f) Guards shall be installed to prevent swaying buckets from hitting towers.\n\n(g) Aerial tramway cable connections shall be designed to offer minimum obstruction to the passage of wheels.\n\n(h) Rocker-bottom or bottom-dump cars shall be equipped with positive locking devices, or other suitable devices.\n\n(i) Ramps and dumps shall be of solid construction, of ample width, have ample clearance and headroom, and be kept reasonably free of spillage.\n\n(j) Chute-loading installations shall be designed so that the men pulling chutes are not required to be in a hazardous position during loading operations.\n\n(k) Berms or guards shall be provided on the outer bank of elevated roadways.\n\n(l) Berms, bumper blocks, safety hooks, or similar means shall be provided to prevent overtravel and overturning at dumping locations.\n\n(m) Roadbeds, rails, joints, switches, frogs, and other elements on railroads shall be designed, installed, and maintained in a safe manner consistent with the speed and type of haulage.\n\n(n) Where practicable, a minimum of 30 inches continuous clearance from the farthest projection of moving railroad equipment shall be provided on at least one side of the tracks; all places where it is not possible to provide 30-inch clearance shall be marked conspicuously.\n\n(o) Track guardrails, lead rails, and frogs shall be protected or blocked so as to prevent a person's foot from becoming wedged.\n\n(p) Positive-acting stop-blocks, derail devices, track skates, or other adequate means shall be installed wherever necessary to protect persons from runaway or moving railroad equipment.\n\n(q) Switch throws shall be installed so as to provide adequate clearance for switchmen.\n\n(r) Where necessary, bumper blocks or the equivalent shall be provided at all track dead ends.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.400","heading":"Mechanical equipment guards.","id":"77.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Safeguards for Mechanical Equipment","text":"(a) Gears; sprockets; chains; drive, head, tail, and takeup pulleys; flywheels; couplings; shafts; sawblades; fan inlets; and similar exposed moving machine parts which may be contacted by persons, and which may cause injury to persons shall be guarded.\n\n(b) Overhead belts shall be guarded if the whipping action from a broken line would be hazardous to persons below.\n\n(c) Guards at conveyor-drive, conveyor-head, and conveyor-tail pulleys shall extend a distance sufficient to prevent a person from reaching behind the guard and becoming caught between the belt and the pulley.\n\n(d) Except when testing the machinery, guards shall be securely in place while machinery is being operated.","occurrenceCount":1},{"chapter":"I","heading":"Grounding metallic frames, casings, and other enclosures of electric equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-H/section-77.701","part":"77","subchapter":"O","subpart":"H","id":"77.701","citation":"30 CFR 77.701","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3304143","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}